<?php

/**
 * 初始化数据库，要用数据库之前必须调用此函数
 * @return __mysql
 */
function init_db() {
	require_once dirname ( __FILE__ ) . "/class.mysql.php";
	return new __mysql ();
}

/**
 * 初始化节日节气信息
 * 
 * @return __festival
 */
function init_festival() {
	require_once dirname ( __FILE__ ) . "/class.festival.php";
	return new __festival ();
}

/**
 * 初始化农历信息
 * 
 * @return __lunar
 */
function init_lunar() {
	require_once dirname ( __FILE__ ) . "/class.lunar.php";
	return new __lunar ();
}

/**
 * 取得农历节气信息
 * 
 * @return __solar
 */
function init_solar() {
	require_once dirname ( __FILE__ ) . "/class.solar.php";
	return new __solar ();
}

/**
 * 中断程序并提示错误，通常用检测到严重错误
 * 
 * @param string $msg
 *        	错误提示文本
 */
function halt($msg) {
	header ( "Content-type: text/html; charset=utf-8" );
	if (is_array ( $msg ))
		print_r ( $msg );
	else
		echo $msg;
	exit ();
}

/**
 * 清除HTML格式
 * 
 * @param string $s        	
 * @return string
 */
function clear_html($s) {
	$ret = strip_tags ( $s );
	$ret = str_replace ( array (
			"&nbsp;",
			"&gt;" 
	), "", $ret );
	return trim ( $ret );
}

/**
 * 截取 $data 到 $s
 * 
 * @param string $data        	
 * @param string $s        	
 * @return string
 */
function skip_to_str($data, $s) {
	return mb_substr ( $data, mb_strpos ( $data, $s ) + mb_strlen ( $s ) );
}

/**
 * 取得 $s 前的字符
 * 
 * @param string $data        	
 * @param string $s        	
 * @return string
 */
function get_front_str($data, $s) {
	return mb_substr ( $data, 0, mb_strpos ( $data, $s ) );
}

/**
 * 加减日期
 *
 * @param string $part        	
 * @param int $n        	
 * @param timestamp $datetime        	
 * @return timestamp
 * @example : $today=mktime(0,0,0,date("m"),date("d"),date("Y"));
 */
function dateadd($part, $n, $datetime = 0) {
	if (! $datetime)
		$datetime = time ();
	$year = date ( "Y", $datetime );
	$month = date ( "m", $datetime );
	$day = date ( "d", $datetime );
	$hour = date ( "H", $datetime );
	$min = date ( "i", $datetime );
	$sec = date ( "s", $datetime );
	$part = strtolower ( $part );
	$ret = 0;
	switch ($part) {
		case "year" :
			$year += $n;
			break;
		case "month" :
			$month += $n;
			break;
		case "day" :
			$day += $n;
			break;
		case "hour" :
			$hour += $n;
			break;
		case "min" :
			$min += $n;
			break;
		case "sec" :
			$sec += $n;
			break;
		default :
			return $ret;
			break;
	}
	$ret = mktime ( $hour, $min, $sec, $month, $day, $year );
	return $ret;
}

/**
 * 从网络获取文件
 * 
 * @param URL $url        	
 * @param boolean $ispost
 *        	是否为POST方式，默认为false
 * @param string $postfields
 *        	要POST的数据
 * @param boolean $get_header        	
 * @return mixed
 */
function get_file($url, $ispost = false, $postfields = '', $get_header = false) {
	$ch = curl_init ();
	curl_setopt ( $ch, CURLOPT_URL, $url );
	curl_setopt ( $ch, CURLOPT_RETURNTRANSFER, 1 );
	curl_setopt ( $ch, CURLOPT_CONNECTTIMEOUT, 3 );
	curl_setopt ( $ch, CURLOPT_TIMEOUT, 15 );
	if (isset ( $_SERVER ['HTTP_USER_AGENT'] ))
		curl_setopt ( $ch, CURLOPT_USERAGENT, $_SERVER ['HTTP_USER_AGENT'] ); // 模拟用户使用的浏览器
	curl_setopt ( $ch, CURLOPT_FOLLOWLOCATION, 1 ); // 使用自动跳转
	curl_setopt ( $ch, CURLOPT_AUTOREFERER, 1 ); // 自动设置Referer
	curl_setopt ( $ch, CURLOPT_HTTPGET, 1 ); // 发送一个常规的Post请求
	                                      // # curl_setopt($ch, CURLOPT_COOKIEFILE, $GLOBALS['cookie_file']); // 读取上面所储存的Cookie信息
	curl_setopt ( $ch, CURLOPT_HEADER, 0 ); // 显示返回的Header区域内容
	if ($ispost) {
		curl_setopt ( $ch, CURLOPT_POST, 1 ); // 以POST方式发送
		curl_setopt ( $ch, CURLOPT_POSTFIELDS, $postfields );
	}
	if ($get_header) {
		curl_setopt ( $ch, CURLOPT_HEADER, 1 );
	}
	$data = curl_exec ( $ch );
	curl_close ( $ch );
	return $data;
}

/**
 * 从数组中获取随机一个
 * 
 * @param array $shunt_server        	
 * @param array $exnum        	
 * @return Ambigous <number>
 */
function get_randnum($shunt_server, $exnum = array(-1)) {
	$rnum = array ();
	for($i = 0; $i < sizeof ( $shunt_server ); $i ++) {
		if (! in_array ( $i, $exnum )) {
			$arr = explode ( ",", $shunt_server [$i] ['weights'] );
			for($x = 0; $x < $arr [intval ( date ( "H" ) )]; $x ++) {
				$rnum [] = $i;
			}
		}
	}
	shuffle ( $rnum ); // 打乱数组
	srand ( ( double ) microtime () * 1000000 );
	$i = rand ( 0, sizeof ( $rnum ) - 1 );
	return $rnum [$i];
}
function byte_format($size, $dec = 2) {
	$a = array (
			"B",
			"KB",
			"MB",
			"GB",
			"TB",
			"PB" 
	);
	$pos = 0;
	while ( $size >= 1024 ) {
		$size /= 1024;
		$pos ++;
	}
	return round ( $size, $dec ) . " " . $a [$pos];
}

// 汉字转拼音
function Pinyin($_String, $_Code = 'utf-8') {
	// 特殊的地名特殊处理
	$s_str_data = array(
		"重庆" => "chongqing",
	);
	if(array_key_exists($_String, $s_str_data)) return $s_str_data[$_String];
	
	$_DataKey = "a|ai|an|ang|ao|ba|bai|ban|bang|bao|bei|ben|beng|bi|bian|biao|bie|bin|bing|bo|bu|ca|cai|can|cang|cao|ce|ceng|cha" . "|chai|chan|chang|chao|che|chen|cheng|chi|chong|chou|chu|chuai|chuan|chuang|chui|chun|chuo|ci|cong|cou|cu|" . "cuan|cui|cun|cuo|da|dai|dan|dang|dao|de|deng|di|dian|diao|die|ding|diu|dong|dou|du|duan|dui|dun|duo|e|en|er" . "|fa|fan|fang|fei|fen|feng|fo|fou|fu|ga|gai|gan|gang|gao|ge|gei|gen|geng|gong|gou|gu|gua|guai|guan|guang|gui" . "|gun|guo|ha|hai|han|hang|hao|he|hei|hen|heng|hong|hou|hu|hua|huai|huan|huang|hui|hun|huo|ji|jia|jian|jiang" . "|jiao|jie|jin|jing|jiong|jiu|ju|juan|jue|jun|ka|kai|kan|kang|kao|ke|ken|keng|kong|kou|ku|kua|kuai|kuan|kuang" . "|kui|kun|kuo|la|lai|lan|lang|lao|le|lei|leng|li|lia|lian|liang|liao|lie|lin|ling|liu|long|lou|lu|lv|luan|lue" . "|lun|luo|ma|mai|man|mang|mao|me|mei|men|meng|mi|mian|miao|mie|min|ming|miu|mo|mou|mu|na|nai|nan|nang|nao|ne" . "|nei|nen|neng|ni|nian|niang|niao|nie|nin|ning|niu|nong|nu|nv|nuan|nue|nuo|o|ou|pa|pai|pan|pang|pao|pei|pen" . "|peng|pi|pian|piao|pie|pin|ping|po|pu|qi|qia|qian|qiang|qiao|qie|qin|qing|qiong|qiu|qu|quan|que|qun|ran|rang" . "|rao|re|ren|reng|ri|rong|rou|ru|ruan|rui|run|ruo|sa|sai|san|sang|sao|se|sen|seng|sha|shai|shan|shang|shao|" . "she|shen|sheng|shi|shou|shu|shua|shuai|shuan|shuang|shui|shun|shuo|si|song|sou|su|suan|sui|sun|suo|ta|tai|" . "tan|tang|tao|te|teng|ti|tian|tiao|tie|ting|tong|tou|tu|tuan|tui|tun|tuo|wa|wai|wan|wang|wei|wen|weng|wo|wu" . "|xi|xia|xian|xiang|xiao|xie|xin|xing|xiong|xiu|xu|xuan|xue|xun|ya|yan|yang|yao|ye|yi|yin|ying|yo|yong|you" . "|yu|yuan|yue|yun|za|zai|zan|zang|zao|ze|zei|zen|zeng|zha|zhai|zhan|zhang|zhao|zhe|zhen|zheng|zhi|zhong|" . "zhou|zhu|zhua|zhuai|zhuan|zhuang|zhui|zhun|zhuo|zi|zong|zou|zu|zuan|zui|zun|zuo";
	$_DataValue = "-20319|-20317|-20304|-20295|-20292|-20283|-20265|-20257|-20242|-20230|-20051|-20036|-20032|-20026|-20002|-19990" . "|-19986|-19982|-19976|-19805|-19784|-19775|-19774|-19763|-19756|-19751|-19746|-19741|-19739|-19728|-19725" . "|-19715|-19540|-19531|-19525|-19515|-19500|-19484|-19479|-19467|-19289|-19288|-19281|-19275|-19270|-19263" . "|-19261|-19249|-19243|-19242|-19238|-19235|-19227|-19224|-19218|-19212|-19038|-19023|-19018|-19006|-19003" . "|-18996|-18977|-18961|-18952|-18783|-18774|-18773|-18763|-18756|-18741|-18735|-18731|-18722|-18710|-18697" . "|-18696|-18526|-18518|-18501|-18490|-18478|-18463|-18448|-18447|-18446|-18239|-18237|-18231|-18220|-18211" . "|-18201|-18184|-18183|-18181|-18012|-17997|-17988|-17970|-17964|-17961|-17950|-17947|-17931|-17928|-17922" . "|-17759|-17752|-17733|-17730|-17721|-17703|-17701|-17697|-17692|-17683|-17676|-17496|-17487|-17482|-17468" . "|-17454|-17433|-17427|-17417|-17202|-17185|-16983|-16970|-16942|-16915|-16733|-16708|-16706|-16689|-16664" . "|-16657|-16647|-16474|-16470|-16465|-16459|-16452|-16448|-16433|-16429|-16427|-16423|-16419|-16412|-16407" . "|-16403|-16401|-16393|-16220|-16216|-16212|-16205|-16202|-16187|-16180|-16171|-16169|-16158|-16155|-15959" . "|-15958|-15944|-15933|-15920|-15915|-15903|-15889|-15878|-15707|-15701|-15681|-15667|-15661|-15659|-15652" . "|-15640|-15631|-15625|-15454|-15448|-15436|-15435|-15419|-15416|-15408|-15394|-15385|-15377|-15375|-15369" . "|-15363|-15362|-15183|-15180|-15165|-15158|-15153|-15150|-15149|-15144|-15143|-15141|-15140|-15139|-15128" . "|-15121|-15119|-15117|-15110|-15109|-14941|-14937|-14933|-14930|-14929|-14928|-14926|-14922|-14921|-14914" . "|-14908|-14902|-14894|-14889|-14882|-14873|-14871|-14857|-14678|-14674|-14670|-14668|-14663|-14654|-14645" . "|-14630|-14594|-14429|-14407|-14399|-14384|-14379|-14368|-14355|-14353|-14345|-14170|-14159|-14151|-14149" . "|-14145|-14140|-14137|-14135|-14125|-14123|-14122|-14112|-14109|-14099|-14097|-14094|-14092|-14090|-14087" . "|-14083|-13917|-13914|-13910|-13907|-13906|-13905|-13896|-13894|-13878|-13870|-13859|-13847|-13831|-13658" . "|-13611|-13601|-13406|-13404|-13400|-13398|-13395|-13391|-13387|-13383|-13367|-13359|-13356|-13343|-13340" . "|-13329|-13326|-13318|-13147|-13138|-13120|-13107|-13096|-13095|-13091|-13076|-13068|-13063|-13060|-12888" . "|-12875|-12871|-12860|-12858|-12852|-12849|-12838|-12831|-12829|-12812|-12802|-12607|-12597|-12594|-12585" . "|-12556|-12359|-12346|-12320|-12300|-12120|-12099|-12089|-12074|-12067|-12058|-12039|-11867|-11861|-11847" . "|-11831|-11798|-11781|-11604|-11589|-11536|-11358|-11340|-11339|-11324|-11303|-11097|-11077|-11067|-11055" . "|-11052|-11045|-11041|-11038|-11024|-11020|-11019|-11018|-11014|-10838|-10832|-10815|-10800|-10790|-10780" . "|-10764|-10587|-10544|-10533|-10519|-10331|-10329|-10328|-10322|-10315|-10309|-10307|-10296|-10281|-10274" . "|-10270|-10262|-10260|-10256|-10254";
	$_TDataKey = explode ( '|', $_DataKey );
	$_TDataValue = explode ( '|', $_DataValue );
	$_Data = (PHP_VERSION >= '5.0') ? array_combine ( $_TDataKey, $_TDataValue ) : _Array_Combine ( $_TDataKey, $_TDataValue );
	arsort ( $_Data );
	reset ( $_Data );
	if ($_Code != 'gb2312')
		$_String = _U2_Utf8_Gb ( $_String );
	$_Res = '';
	for($i = 0; $i < strlen ( $_String ); $i ++) {
		$_P = ord ( substr ( $_String, $i, 1 ) );
		if ($_P > 160) {
			$_Q = ord ( substr ( $_String, ++ $i, 1 ) );
			$_P = $_P * 256 + $_Q - 65536;
		}
		$_Res .= _Pinyin ( $_P, $_Data );
	}
	return preg_replace ( "/[^a-z0-9]*/", '', $_Res );
}
function _Pinyin($_Num, $_Data) {
	if ($_Num > 0 && $_Num < 160)
		return chr ( $_Num );
	elseif ($_Num < - 20319 || $_Num > - 10247)
		return '';
	else {
		foreach ( $_Data as $k => $v ) {
			if ($v <= $_Num)
				break;
		}
		return $k;
	}
}
function _U2_Utf8_Gb($_C) {
	$_String = '';
	if ($_C < 0x80)
		$_String .= $_C;
	elseif ($_C < 0x800) {
		$_String .= chr ( 0xC0 | $_C >> 6 );
		$_String .= chr ( 0x80 | $_C & 0x3F );
	} elseif ($_C < 0x10000) {
		$_String .= chr ( 0xE0 | $_C >> 12 );
		$_String .= chr ( 0x80 | $_C >> 6 & 0x3F );
		$_String .= chr ( 0x80 | $_C & 0x3F );
	} elseif ($_C < 0x200000) {
		$_String .= chr ( 0xF0 | $_C >> 18 );
		$_String .= chr ( 0x80 | $_C >> 12 & 0x3F );
		$_String .= chr ( 0x80 | $_C >> 6 & 0x3F );
		$_String .= chr ( 0x80 | $_C & 0x3F );
	}
	return iconv ( 'UTF-8', 'GB2312', $_String );
}
function _Array_Combine($_Arr1, $_Arr2) {
	for($i = 0; $i < count ( $_Arr1 ); $i ++)
		$_Res [$_Arr1 [$i]] = $_Arr2 [$i];
	return $_Res;
}

function xml2array($xmlobject) {
	if ($xmlobject) {
		foreach ((array)$xmlobject as $k=>$v) {
			$data[$k] = !is_string($v) ? xml2array($v) : $v;
		}
		return $data;
	}
}



/**
 * 输出ajax提示
 * @param string $status 返回状态，分为 error 和 successful 两种，或在前台javascript中自行判断
 * @param json $msg 直接输出的json字符串
 */
function ajax_result($status="successful", $msg=""){
	exit(json_encode(array('status'=>$status, 'msg'=>$msg)));
}



